| Patents for H02M 5 - Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases (13,094) |
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| 03/27/2003 | US20030060727 Non-invasive device and method for the diagnosis of pulmonary vascular occlusions |
| 03/27/2003 | US20030060725 Non-invasive device and method for the diagnosis of pulmonary vascular occlusions |
| 03/27/2003 | US20030058662 Inverter with a mains system side and load-side freewheeling pulse converter |
| 03/27/2003 | US20030057923 Power generating device |
| 03/26/2003 | EP1296441A1 Power generating arrangement |
| 03/25/2003 | US6538412 Method for controlling a power drive system |
| 03/20/2003 | WO2003023933A1 System for conditioning and generating/storing power in electrical distribution networks in order to improve the dynamic stability and frequency control thereof |
| 03/20/2003 | US20030052658 Method and apparatus for electronic power control |
| 03/20/2003 | US20030052544 Pwm cycloconverter and power fault detector |
| 03/19/2003 | EP0808552B1 Ballast system |
| 03/18/2003 | CA2262005C A phase control device |
| 03/12/2003 | EP1018208B1 Phase controlled dimming system with active filter for preventing flickering and undesired intensity changes |
| 03/12/2003 | CN1402421A Electric power electronic transformer |
| 03/12/2003 | CN1402419A Electroplating supply unit |
| 03/06/2003 | WO2002094090A3 Transformer-isolated alternating current power supply |
| 03/06/2003 | US20030043610 Controller of AC machine |
| 03/06/2003 | US20030043603 Frequency converter |
| 03/06/2003 | US20030043598 Three-phase hybrid AC-voltage/AC-voltage direct converter having minimal complexity and high commutation security |
| 03/06/2003 | US20030043596 Voltage regulator and control method thereof |
| 03/06/2003 | US20030042797 Circuit for the generation of electric power induced to bear opposite polarity in the pulsating power supply |
| 03/05/2003 | EP1289112A2 Three-phase hybrid AC-voltage/AC-voltage direct converter |
| 03/05/2003 | EP1289111A1 Single phase to three phase converter |
| 03/05/2003 | CN2539344Y Multi-group load driving circuit for piezoelectric converting circuit |
| 03/05/2003 | CN1400731A Waveform generation method and power converter device |
| 02/27/2003 | WO2003017456A1 Power supply for induction heating or melting |
| 02/27/2003 | CA2456473A1 Power supply for induction heating or melting |
| 02/26/2003 | EP1286455A1 Pwm cycloconverter and power fault detector |
| 02/26/2003 | EP1174004B1 Method and device for supplying an electric arc melting furnace with current |
| 02/25/2003 | US6525951 Simplified wye connected 3-phase to 9-phase auto-transformer |
| 02/25/2003 | US6525490 Power saving circuitry |
| 02/20/2003 | WO2003015253A1 Method of waveform generation and apparatus for power transforming |
| 02/20/2003 | WO2003015251A1 Electrical power conservation apparatus and method |
| 02/20/2003 | US20030035309 Power supply for induction heating or melting |
| 02/20/2003 | US20030035305 Electroplating power supply apparatus |
| 02/20/2003 | CA2456615A1 Electrical power conservation apparatus and method |
| 02/19/2003 | CN1398038A Method and device for sampling source voltage |
| 02/13/2003 | WO2002086647A3 Arrangement for automatically influencing a mains supply and motor drive for said arrangement |
| 02/12/2003 | CN2535970Y Contactless light-operated voltage-regulating switch apparatus |
| 02/11/2003 | US6519170 Method for operating a matrix converter and matrix converter for implementing the method |
| 02/11/2003 | CA2202710C Current regulating switch circuit |
| 02/06/2003 | WO2003010875A2 Energy converting device |
| 02/05/2003 | CN2534730Y Capacitance low-loss transformer |
| 02/05/2003 | CN1395360A Load voltage-regulating method and device for all-thyristor non-transient transformer |
| 01/30/2003 | WO2003009462A1 Method and device for shutting down a drive comprising a matrix converter, during a mains failure |
| 01/30/2003 | WO2003009457A2 Method and device for short-circuiting temporary power failures in a matrix converter |
| 01/30/2003 | US20030021126 Device for quasi-direct pulse-width controlled energy conversion between three-phase system |
| 01/29/2003 | EP1280263A2 Device for quasi-direct pulse-width controlled energy conversion between three-phase systems |
| 01/29/2003 | CN2533594Y Special lamp socket capable of limiting electricity |
| 01/29/2003 | CN1394384A Portable device with reduced power dissipation |
| 01/29/2003 | CN1393986A Combined power supply |
| 01/22/2003 | EP1177615B1 Control of a dc matrix converter |
| 01/16/2003 | WO2003005547A2 Odd harmonics reduction of phase angle controlled loads |
| 01/16/2003 | WO2003005110A1 Apparatus for supplying power and liquid crystal display having the same |
| 01/16/2003 | WO2002043234A3 Method for controlling a matrix converter |
| 01/15/2003 | CN2531574Y Frequency changer |
| 01/15/2003 | CN1391240A Three phase-to-single phase balanced YnD transformer |
| 01/14/2003 | US6507503 Apparatus and a method for voltage conversion |
| 01/09/2003 | US20030007371 Power generation apparatus using permanent-magnet generator |
| 01/09/2003 | US20030007368 Power generation apparatus using permanent-magnet generator |
| 01/09/2003 | US20030006741 Voltage stabiliser for electrical energy transportation and distribution applications |
| 01/08/2003 | EP1273092A1 Method for controlling freewheeling paths in a matrix converter |
| 01/08/2003 | EP1273091A1 An improved electrical substation |
| 01/08/2003 | CN2530392Y Network controlling frequency converter |
| 01/08/2003 | CN1389768A Electric-shock and short-circuit preventing multifnctional contact-less voltage stabilizer |
| 01/07/2003 | CA2253044C An apparatus and method to reduce common mode voltage from current source drives |
| 01/02/2003 | US20030002306 Method for controlling bi-directional switches in matrix converters |
| 01/02/2003 | US20030002302 Odd harmonics reduction of phase angle controlled loads |
| 01/02/2003 | EP1269618A1 Pwm frequency converter |
| 01/02/2003 | EP1269617A1 Method for protecting a matrix converter against overvoltages and an active overvoltage device |
| 01/02/2003 | EP1198876A4 System for controlling the delivery of power to dc computer components |
| 01/01/2003 | CN2529445Y Anti-electric-shock, anti-short multifunctional large range non-contact voltage stabilizer |
| 01/01/2003 | CN2529444Y Voltage-tuning electric-saving control device capable of controlling harmonic interference |
| 12/27/2002 | WO2002103877A2 Optimized power supply system using two vfd with their dc bus in parallel |
| 12/25/2002 | CN1387308A Three-phase to single-phase balance transformer |
| 12/25/2002 | CN1097342C Switch with controlled rise and fall characteristics |
| 12/24/2002 | US6498545 Phase control device |
| 12/19/2002 | WO2002101911A1 Circuit arrangement for the suppression of interfering network reactions |
| 12/19/2002 | WO2002101910A2 Switching converter |
| 12/19/2002 | WO2002100716A1 Marine propulsion system with reduced on-board network distortion factor |
| 12/19/2002 | US20020191417 Portable generator |
| 12/19/2002 | DE10128152A1 Ship's drive system with reduced on-board electrical system distortion factor, has current converters supplying propeller motors that are connected to on-board electrical system |
| 12/18/2002 | EP1266443A1 Improvements relating to converters |
| 12/18/2002 | CN2527030Y Multifunctional electrical energy-saving controller |
| 12/17/2002 | US6496343 Overvoltage protection apparatus for a matrix converter |
| 12/15/2002 | CA2354242A1 Hvac controller |
| 12/12/2002 | WO2002099957A1 Electronic interface for power stealing circuit |
| 12/12/2002 | DE10125359A1 Potentialfreie Wechselstromquelle Potential-free AC power source |
| 12/12/2002 | DE10124197A1 Umrichter mit einem netz- und lastseitigen selbstgeführten Pulsstromrichter Inverter with a line and load-side self-commutated pulse |
| 12/11/2002 | CN2525725Y Multifunction power saver |
| 12/11/2002 | CN2525723Y Silicon controlled multi-way coordinate voltage regulator |
| 12/05/2002 | WO2002098185A1 High efficiency high power factor electronic ballast |
| 12/05/2002 | US20020181251 Electronic interface for power stealing circuit |
| 12/05/2002 | US20020180379 High efficiency high power factor electronic ballast |
| 12/03/2002 | US6490187 Semiconductor electric power conversion device |
| 12/03/2002 | US6490174 Electronic interface for power stealing circuit |
| 11/28/2002 | WO2002095918A1 Inverter control method and its device |
| 11/28/2002 | WO2002094090A2 Transformer-isolated alternating current power supply |
| 11/28/2002 | US20020176265 Electrical substation |
| 11/28/2002 | US20020176261 Apparatus and a method for voltage conversion |
| 11/27/2002 | CN2523109Y Power source commutator for changing single-phase to three-phase |